Answer:
15.4
Step-by-step explanation:
-5×(-4.9) +7×(-1.3)
=24.5+(-9.1)
=24.5-9.1
==15.4
Test each
if angle is increased, rock will go further
if the angle starts at 0, then increases to 90 degrees (straight up) the rock will go up then bounce off of the launcher going either front or back, but vastly shorter than if it were pointed straight ahead
2nd one
changing angle change the distance
we see that is true
<h2><em><u>
Answer:</u></em></h2><h2><em><u>
Sorry i didn't understand the question but thank you for the points </u></em></h2><h2><em><u>
Step-by-step explanation:</u></em></h2>
<em><u></u></em>
9514 1404 393
Answer:
(b) 38.5
Step-by-step explanation:
The polygon is a trapezoid with bases 4 and 7 and height 7. Its area is given by the formula ...
A = (1/2)(b1 +b2)h
A = (1/2)(4 +7)(7) = 77/2
A = 38.5 . . . . square units
The answer is 112.09 i added 89+3+3+8+2=105+7.09=112.09
